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progs/glsl: change samplers.c to better test sampler/texture indexing

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Now the left half is yellow and the right half is red, with the gradients
going in opposite directions.
This commit is contained in:
Brian Paul 2009-08-26 11:53:25 -06:00
parent 04d170794a
commit f6d34c2058
1 changed files with 12 additions and 4 deletions
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16
progs/glsl/samplers.c
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@ -211,10 +211,18 @@ InitTextures(void)
for (y = 0; y < stripeSize; y++) { for (y = 0; y < stripeSize; y++) {
for (x = 0; x < size; x++) { for (x = 0; x < size; x++) {
GLint k = 4 * ((ypos + y) * size + x); GLint k = 4 * ((ypos + y) * size + x);
texImage[k + 0] = intensity; if (x < size / 2) {
texImage[k + 1] = intensity; texImage[k + 0] = intensity;
texImage[k + 2] = 0; texImage[k + 1] = intensity;
texImage[k + 3] = 255; texImage[k + 2] = 0;
texImage[k + 3] = 255;
}
else {
texImage[k + 0] = 255 - intensity;
texImage[k + 1] = 0;
texImage[k + 2] = 0;
texImage[k + 3] = 255;
}
} }
} }